Novel integrated anti-blocking constructed wetland

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a novel integrated anti-blocking constructed wetland which comprises a sewage treatment shell, an inner cavity of the sewage treatment shell is sequentially divided into a first-stage septic tank, a second-stage septic tank, a first-stage wetland pool and a second-stage wetland pool; a first-stage communicating pipe is arranged between the first-stage septic tank and the second-stage septic tank, a second-stage communicating pipe is arranged between the second-stage septic tank and the first-stage wetland pool, and a third-stage communicating pipe is arranged between the first-stage wetland pool and the second-stage wetland pool. Through well-designed sewage treatment flow and structural layout, efficient purification of sewage is realized. From the first-stage septic tank to the second-stage septic tank and then to the first-stage wetland pool and the second-stage wetland pool, sewage is sequentially subjected to physical precipitation, microbial decomposition and the comprehensive action of roots of wetland plants, microorganisms and filler, so that nutrient substances such as large-particle suspended solids, organic matters, nitrogen and phosphorus and tiny suspended solids in the sewage are effectively removed.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a novel integrated anti-clogging artificial wetland. Background Art

[0002] With the acceleration of urbanization, sewage treatment is becoming an increasingly prominent issue, especially in rural areas and small communities. The construction and operating costs of sewage treatment facilities have become a major constraint to their development. Traditional sewage treatment methods often require large amounts of energy and complex equipment maintenance, which not only increases operating costs but also occupies valuable land resources. Therefore, the development of efficient, energy-saving, and compact sewage treatment equipment is particularly important.

[0003] Currently, septic tanks and constructed wetlands are two common wastewater treatment technologies. Septic tanks initially treat organic matter and suspended solids in wastewater through physical sedimentation and microbial decomposition. Constructed wetlands, on the other hand, further purify water by utilizing the combined effects of wetland plant roots, microorganisms, and fillers. However, traditional septic tanks and constructed wetlands are often constructed separately, which not only increases floor space but also construction and operating costs. Utility Model Content

[0004] The utility model aims at the technical problems existing in the prior art and provides a novel integrated anti-clogging artificial wetland to solve the above-mentioned problem that it is difficult to highly combine traditional septic tanks and artificial wetlands for sewage treatment and the cost is too high.

[0005] The technical solution of the utility model for solving the above technical problems is as follows: a new integrated anti-clogging artificial wetland, including a sewage treatment shell; the inner cavity of the sewage treatment shell is sequentially separated into a first-level septic tank, a second-level septic tank, a first-level wetland pool and a second-level wetland pool; a first-level connecting pipe is provided between the first-level septic tank and the second-level septic tank, a second-level connecting pipe is provided between the second-level septic tank and the first-level wetland pool, and a third-level connecting pipe is provided between the first-level wetland pool and the second-level wetland pool; plant growth openings are reserved above the first-level wetland pool and the second-level wetland pool, and upper grilles are laid along the upper layers of the first-level wetland pool and the second-level wetland pool, and the upper grilles are filled with a filler layer for wetland plant growth.

[0006] On the basis of the above technical solution, the present invention can also be improved as follows.

[0007] Furthermore, the filler layer includes a bottom layer of three-dimensional filtering filler and an upper layer of plant attachment filler.

[0008] Furthermore, the three-dimensional filter filler is a block-packed special filter mesh, and the plant attachment filler is gravel.

[0009] Furthermore, the lower layers of the first-level wetland pool and the second-level wetland pool are both paved with lower grids located below the upper grids, and the space between the upper grids and the lower grids is filled with adsorption fillers.

[0010] Furthermore, the adsorption filler is a water-absorbing sponge.

[0011] Furthermore, the water outlets of the secondary connecting pipe and the tertiary connecting pipe are both located below the lower grid.

[0012] Furthermore, a grid pipe is installed at the water inlet end of the secondary connecting pipe.

[0013] Furthermore, the secondary connecting pipe and the tertiary connecting pipe are both connected to an exhaust pipe via a tee, the exhaust port of the exhaust pipe being higher than the sewage level.

[0014] Furthermore, the sewage treatment shell is also provided with a plurality of inspection ports adapted to the primary septic tank and the secondary septic tank.

[0015] Furthermore, the novel integrated anti-clogging artificial wetland provided by the present invention has at least the following beneficial effects compared with the prior art:

[0016] Through a carefully designed sewage treatment process and structural layout, efficient sewage purification is achieved. From the primary septic tank to the secondary septic tank, and then to the primary and secondary wetland tanks, sewage undergoes physical sedimentation, microbial decomposition, and the combined action of wetland plant roots, microorganisms, and fillers. This effectively removes large suspended solids, organic matter, nutrients such as nitrogen and phosphorus, and fine suspended solids. This multi-layered purification process ensures the stability and reliability of effluent quality, providing strong support for environmental protection and water resource recycling.

[0017] Accessible inspection ports allow convenient access to the equipment for maintenance and cleaning, ensuring proper operation and extending its service life. Furthermore, the design of auxiliary devices, such as the grille pipe and exhaust pipe, further enhances the equipment's overall performance. The grille pipe blocks and traps large particles and suspended solids in the wastewater, reducing the burden on subsequent treatment units. The exhaust pipe effectively prevents pipe blockages and water flow problems caused by gas accumulation, ensuring smooth and stable water flow. These features not only improve the equipment's wastewater treatment efficiency but also reduce operating costs and maintenance requirements, bringing additional economic and social benefits to users. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0020] 1. Sewage treatment shell; 2. Primary connecting pipe; 3. Secondary connecting pipe; 4. Tertiary connecting pipe; 5. Upper grille; 6. Three-dimensional filter filler; 7. Plant attachment filler; 8. Lower grille; 9. Adsorption filler; 10. Grille pipe; 11. Exhaust pipe; 1.1. Primary septic tank; 1.2. Secondary septic tank; 1.3. Primary wetland tank; 1.4. Secondary wetland tank; 1.5. Inspection port. DETAILED DESCRIPTION

[0021] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0022] It should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood broadly. For example, they can refer to fixed connections, detachable connections, or integrated structures. Those skilled in the art will understand the specific meanings of such terms in this patent based on specific circumstances.

[0023] like Figure 1 As shown, the new integrated anti-clogging artificial wetland designed in this utility model includes a sewage treatment shell 1; the inner cavity of the sewage treatment shell 1 is divided into a first-level septic tank 1.1, a second-level septic tank 1.2, a first-level wetland pool 1.3 and a second-level wetland pool 1.4 in sequence; a first-level connecting pipe 2 is provided between the first-level septic tank 1.1 and the second-level septic tank 1.2, a second-level connecting pipe 3 is provided between the second-level septic tank 1.2 and the first-level wetland pool 1.3, and a third-level connecting pipe 4 is provided between the first-level wetland pool 1.3 and the second-level wetland pool 1.4; plant growth openings are reserved above the first-level wetland pool 1.3 and the second-level wetland pool 1.4, and upper grilles 5 are laid along the upper layers of the first-level wetland pool 1.3 and the second-level wetland pool 1.4, and the upper grilles 5 are filled with a filler layer for wetland plant growth.

[0024] The sewage treatment shell 1 is also reserved with a water inlet pipe connected to the primary septic tank 1.1 and a drainage pipe connected to the secondary wetland pool 1.4.

[0025] As an embodiment, the packing layer includes a bottom layer of three-dimensional filter packing 6 and an upper layer of plant attachment packing 7. This layered design enables the packing layer to fully utilize the characteristics of different packings to achieve multi-level sewage purification.

[0026] Preferably, the three-dimensional filter filler 6 is a block-mounted special filter mesh, and the plant attachment filler 7 is gravel.

[0027] The porous structure of the block filter provides excellent filtration and adsorption performance. When wastewater flows through the block filter, the tiny pores within the filter trap impurities such as suspended solids and organic matter. Simultaneously, a biofilm forms on the surface of the block filter, further removing pollutants through microbial decomposition.

[0028] Gravel has excellent permeability and stability, providing a solid growth substrate for wetland plants. The roots of wetland plants can penetrate the gravel layer, forming a symbiotic relationship with the microorganisms within, working together to purify wastewater. Furthermore, biofilms can form on the gravel surface, further enhancing the purification effect.

[0029] The three-dimensional filter packing 6 and the plant-attached packing 7 work synergistically within the packing layer to achieve deep sewage purification. Sewage first flows through the three-dimensional filter packing 6, undergoing preliminary filtration and adsorption, before entering the plant-attached packing 7. Within the plant-attached packing 7, wetland plants and microorganisms work together to further remove nutrients such as nitrogen and phosphorus, as well as fine suspended matter.

[0030] As an embodiment, the lower layers of the primary wetland pool 1.3 and the secondary wetland pool 1.4 are both paved with a lower grid 8 located below the upper grid 5, and the space between the upper grid 5 and the lower grid 8 is filled with adsorption filler 9.

[0031] Preferably, the adsorbent filler 9 is a water-absorbing sponge. The water-absorbing sponge has excellent water absorption and water retention properties, capable of absorbing and storing large amounts of water. Its porous structure also provides an excellent environment for the growth of microorganisms. When sewage flows through the water-absorbing sponge, pollutants are adsorbed and trapped, and microorganisms also form a biofilm on the sponge surface, further decomposing organic matter in the sewage.

[0032] Specifically, the outlets of the secondary and tertiary connecting pipes 3 and 4 are both located below the lower grid 8. This means that before entering the wetland pool, the sewage is pre-treated by the lower grid 8 and adsorbent filler 9. This design not only helps remove large particles of impurities from the sewage but also utilizes the adsorption effect of the absorbent sponge to further purify the water quality, providing a better growth environment for wetland plants and microorganisms.

[0033] As an embodiment, the water inlet end of the secondary connecting pipe 3 is also equipped with a grid pipe 10 to further block and intercept large particles of impurities and suspended matter in the sewage. The design of the grid pipe 10 is similar to a filter device, ensuring that the sewage entering the secondary wetland pool is cleaner, reducing the burden on subsequent treatment units and improving the sewage treatment efficiency of the entire equipment.

[0034] As an embodiment, both the secondary connecting pipe 3 and the tertiary connecting pipe 4 are connected via a tee to an exhaust pipe 11, whose exhaust port is higher than the sewage level. This prevents pipe blockage or water flow obstruction caused by gas accumulation. When sewage flows through the pipe, the exhaust pipe 11 ensures that the gas in the pipe is discharged smoothly, ensuring smooth and stable water flow.

[0035] As an embodiment, the sewage treatment housing 1 is further provided with a plurality of inspection ports 1.5 adapted to the primary septic tank 1.1 and the secondary septic tank 1.2. When the equipment malfunctions or requires regular cleaning, staff can enter the equipment through the inspection ports 1.5 to perform the corresponding operations, thereby ensuring the normal operation of the equipment and extending its service life.

[0036] The working principle of this utility model is as follows:

[0037] Sewage treatment shell 1: As the main structure of the entire equipment, the sewage treatment shell 1 provides a closed space for accommodating and separating different treatment units, ensuring that sewage flows and is treated according to a predetermined process inside the equipment.

[0038] Separation units: primary septic tank 1.1, secondary septic tank 1.2, primary wetland tank 1.3, secondary wetland tank 1.4:

[0039] Primary septic tank 1.1: Initially receives and treats sewage, removing large suspended solids and organic matter in the sewage through physical sedimentation and microbial decomposition.

[0040] Secondary septic tank 1.2: further treats the sewage flowing out of the primary septic tank 1.1 and continues to improve the degree of sewage purification through microbial decomposition.

[0041] Level 1 wetland pool 1.3 and level 2 wetland pool 1.4: Utilize the combined effects of wetland plant roots, microorganisms, and fillers to deeply purify sewage and remove nutrients such as nitrogen and phosphorus, as well as tiny suspended solids.

[0042] Connecting pipes: first-level connecting pipe 2, second-level connecting pipe 3, and third-level connecting pipe 4:

[0043] Primary connecting pipe 2: connects the primary septic tank 1.1 and the secondary septic tank 1.2, allowing sewage to flow from the primary septic tank 1.1 into the secondary septic tank 1.2.

[0044] Secondary connecting pipe 3: connects the secondary septic tank 1.2 and the primary wetland pool 1.3, allowing sewage to flow from the secondary septic tank 1.2 into the primary wetland pool 1.3.

[0045] The tertiary connecting pipe 4 connects the primary wetland pool 1.3 and the secondary wetland pool 1.4, allowing the sewage treated in the primary wetland pool 1.3 to flow into the secondary wetland pool 1.4 for further purification.

[0046] Upper grid 5 and filler layer:

[0047] Upper grid 5: laid above the primary wetland pool 1.3 and the secondary wetland pool 1.4, plays the role of supporting and fixing the filler layer, while preventing the excessive growth of wetland plant roots from affecting water flow.

[0048] Filling layer: It is filled on the upper grid 5 to provide a growth matrix for wetland plants and further purify sewage through the adsorption and filtration of the biofilm on its surface and the filler.

[0049] It should be noted that, in this article, the terms "include", "comprising" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or device. Unless otherwise expressly specified and limited, the terms "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0050] Although the preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0051] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. A new type of integrated anti-clogging artificial wetland, characterized by: The invention comprises a sewage treatment shell (1); the inner cavity of the sewage treatment shell (1) is sequentially divided into a primary septic tank (1.1), a secondary septic tank (1.2), a primary wetland pool (1.3) and a secondary wetland pool (1.4); a primary connecting pipe (2) is provided between the primary septic tank (1.1) and the secondary septic tank (1.2); a secondary connecting pipe (3) is provided between the secondary septic tank (1.2) and the primary wetland pool (1.3); and a tertiary connecting pipe (4) is provided between the primary wetland pool (1.3) and the secondary wetland pool (1.4); plant growth openings are reserved above the primary wetland pool (1.3) and the secondary wetland pool (1.4), and upper grilles (5) are laid along the upper layers of the primary wetland pool (1.3) and the secondary wetland pool (1.4); the upper grilles (5) are filled with a filler layer for growing wetland plants.

2. The novel integrated anti-clogging artificial wetland according to claim 1 is characterized in that: The filler layer comprises a bottom layer of three-dimensional filtering filler (6) and an upper layer of plant attachment filler (7).

3. The novel integrated anti-clogging artificial wetland according to claim 2 is characterized in that: The three-dimensional filter filler (6) is a block-mounted special filter screen, and the plant attachment filler (7) is gravel.

4. The novel integrated anti-clogging artificial wetland according to claim 1 is characterized in that: The lower layers of the first-level wetland pool (1.3) and the second-level wetland pool (1.4) are both paved with a lower grid (8) located below the upper grid (5), and an adsorption filler (9) is filled between the upper grid (5) and the lower grid (8).

5. The novel integrated anti-clogging artificial wetland according to claim 4 is characterized in that: The adsorption filler (9) is a water-absorbing sponge.

6. The novel integrated anti-clogging artificial wetland according to claim 4 is characterized in that: The water outlets of the secondary connecting pipe (3) and the tertiary connecting pipe (4) are both located below the lower grid (8).

7. The novel integrated anti-clogging artificial wetland according to claim 1 is characterized in that: The water inlet end of the secondary connecting pipe (3) is further provided with a grid pipe (10).

8. The novel integrated anti-clogging artificial wetland according to claim 1 is characterized in that: The secondary connecting pipe (3) and the tertiary connecting pipe (4) are both connected to an exhaust pipe (11) via a tee, the exhaust port of which is higher than the sewage level.

9. The novel integrated anti-clogging artificial wetland according to claim 1 is characterized in that: The sewage treatment housing (1) is also provided with a plurality of inspection ports (1.5) adapted to the primary septic tank (1.1) and the secondary septic tank (1.2).

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